Human Chorionic Gonadotropin which is commonly known as hCG is an important hormone especially during early pregnancy. It is manufactured and secreted by the cells which eventually end up as the placenta.. Beta hCG is considered a , which means it’s a substance that’s excreted by some kinds of tumors. That’s why, in some cases, the hCG blood test may also be used to evaluate and manage certain . Beta hCG, also known as quantitative serum beta-HCG, refers to the testing of the amount of hCG hormone present in the blood. Your doctor may order a beta hCG if a urine test came back positive, or, if you're in the middle of fertility treatments, just before or when your period is due.. ANd today I went in for a HCG level and it was a 3. Nurse said I am pregnant but just implanted. Have you had a low level of hcg of 3 at 6dpo? I had a miscarriage a few months back. And my hcg level went to 0 and I always thaught a hcg level had to be 5 or higher to be pregnant, but according to my doctors office its 3 or higher. HELP. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Hansen on 0 100 beta hcg: Do you mean your neice (nephew would mean a male). The value you have listed would be a negative pregnancy test.. Hi, I had unprotected sex, did a beta HCG test after 22 days of possible conception, result was 0.1, no late peri more Hi, I had unprotected sex, did a beta HCG test after 22 days of possible conception, result was 0.1, no late periods..